Syzygy endgame tablebases

Black is losing with DTZ 14

KQRBvKQ.pgn lichess.org

Histogram: KQRB winning vs. KQ (log scale)

Longest KQRBvKQ phases

KQRBvKQ statistics (unique positions)

White wins:
5,515,273,162 (80.3%)
Frustrated white wins:
4,214 (0.0%)
Draws:
1,183,356,727 (17.2%)
Black wins:
170,581,243 (2.5%)
KQRBvKQ.json (?)

KQRBvKQ dependencies

To probe all KQRBvKQ positions, these tables and their transitive dependencies are also required:

KRBvKQ · KQRBvK · KQBvKQ · KQRvKQ

KQRBvKQ.txt KQRBvKQ.dot